201012122212 has 24 divisors (see below), whose sum is σ = 390041410752. Its totient is φ = 89871290400.

The previous prime is 201012122209. The next prime is 201012122237. The reversal of 201012122212 is 212221210102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37443688 + ... + 37449055.

It is an arithmetic number, because the mean of its divisors is an integer number (16251725448).

Almost surely, 2^201012122212 is an apocalyptic number.

201012122212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201012122212 is a deficient number, since it is larger than the sum of its proper divisors (189029288540).

201012122212 is a wasteful number, since it uses less digits than its factorization.

201012122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74892819 (or 74892817 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201012122212 its reverse (212221210102), we get a palindrome (413233332314).

The spelling of 201012122212 in words is "two hundred one billion, twelve million, one hundred twenty-two thousand, two hundred twelve".